Answer:
Aerobic activities of an intensity at least six times that of resting (6 METs), commonly defined as activities with enough intensity to produce improvements in cardiovascular fitness.
Explanation:
<span>Surprisingly, the correct response is "B." There is no significant difference in dropout rates between students who do drink underage than those who do not drink. Risky sexual activity increases, high numbers of car fatalities are experienced, and depressive episodes are rampant, but dropout rates do not seem to change.</span>
Answer:
1. A human body has 23 pairs of chromosomes out of which 2 pairs are sex chromosomes.
2. Male has X and Y chromosomes whereas the female has both X chromosomes.
3. The baby inherits an X chromosome from mother and X or Y chromosome for father.
4. If a baby inherits X from father then the baby will be a girl and if inherits Y then that baby will be a boy.
5. In such a way, sex of the child is determined and it is always determined by the father only.